1981, William H. Gotwald, Gale Holtz Golden, Sexualidad: la experiencia humana, Prentice Hall
Troilism is primarily a male problem, but one case of a woman who watched her husband have intercourse with a young girl has been reported in the literature (Smith, 1976). In cases of troilism, not only do the men force their wives to have ...
1988, Albert Richard Allgeier, Elizabeth R. Allgeier, Sexual interactions (D.C. Heath), page 626:
A form of sexual activity that encompasses elements of both voyeurism and exhibitionism is troilism. Troilism refers to a couple's engaging in sexual activity while a third person looks on with the consent of the couple. ...
2006, Irish University Review:
These various strands are frequently interwoven in Banville's many glimpses, glancing hints, and full scenes of troilism. Thus the child-Max lusts mutely after the great adult genitalia of Mrs Grace, mother of his playmates, ...
2008, D. Richard Laws, William T. O'Donohue, Sexual Deviance: Theory, Assessment, and Treatment, Guilford Press (→ISBN), page 410:
Although historically troilism has been conceptualized as a form of voyeurism, [...] in cases of troilism the sexual partners are typically aware that they are being observed.
2010, Jerrold S. Greenberg, Professor Emeritus University of Maryland Jerrold S Greenberg, Clint E. Bruess, Dean Emeritus Professor Emeritus University of Alabama at Birmingham Professor Emeritus Birmingham-Southern College Clint E Bruess, Sarah C. Conklin, Exploring the Dimensions of Human Sexuality, Jones & Bartlett Publishers (→ISBN), page 505:
Troilism is having sexual relations with another person while a third person watches. In one respect, troilism combines elements of exhibitionism and voyeurism. In another respect, it represents an illusion of prostitution (Money, 1984) because ...
1967, Lars Ullerstam, The Erotic Minorities: A Swedish View
When three persons take part in the sexual act, this is called troilism. It is a very popular type of social sex. The engagement of a third person in sexual intimacy adds to the erotic temperature of many marriages.
1972, Penthouse:
Now if it's true, as I believe, that every woman has a bit of a lesbian streak, or at least curiosity, then it follows that the ideal way to satisfy it is with troilism — making love with two girls and a man. I've tried it myself and I know. ...
1976, Medical Aspects of Human Sexuality:
What is troilism? Troilism refers to sexual threesomes, either one male and two females or two males and one female. The former is more popular. Two women and a man fulfill a common male fantasy; men conceive of themselves ...
1996, Janell L. Carroll, Paul Root Wolpe, Sexuality and Gender in Society, Harpercollins College Division (→ISBN):
Troilism. Although it technically refers to a single couple copulating in front of others, troilism has come to mean any sex sessions involving multiple partners. Troilism is not new; in 1631, Mervyn Touchet, the Second Earl of Castlehaven, was ...
2014, David Pringle, Modern Fantasy: The 100 Best Novels, Gateway (→ISBN), page 53:
As an antidote, he hopes to lure his doctor's blonde wife to bed – preferably when his own attractive young wife is there to share the experience (this act of troilism does eventually take place, and it is a sore disappointment to him). ...
2018, Leo Abse, The Bi-sexuality of Daniel Defoe: A Psychoanalytic Survey of the Man and His Works, Routledge (→ISBN)
Troilism afforded him a multitude of opportunities for fantasising which were unavailable, or limited, in a dyadic setting; the tentative troilism episode to be found in Moll Flanders, when he had two brothers bedding down with Moll, lacked the element of simultaneity that is present as Roxana, Amy and the landlord grapple with each other. Later in the novel, Defoe, ever trilled by the frisson accompanying troilism, tells of Roxana and Amy enjoying themselves in a shared bed when the Lord, Roxana's current lover, unexpectedly came upon them. Pleading that only fear of lightning hd caused the two women thus to cling to each other, Roxana [...] condones a sexual assault in her presence by the Lord upon Amy [...]
